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Coordinated INTEGRAL and optical observations of SS433
A. M. Cherepashchuk, R. A. Sunyaev, S. N. Fabrika +14
Results of simultaneous {\it INTEGRAL} and optical observations of galactic microquasar SS433 in May 2003 are presented. The analysis of the X-ray and optical eclipse duration and…
The central region in SS433 supercritical disk and origin of flares
S. Fabrika, T. Irsmambetova
Mean orbital light curves of SS433 in different precessional phases are analysed for active and passive states separately. In passive states the mean brightness depends strongly on…
Magnetic field measurements in white dwarfs. Magnetic field, rotation and spectrum of 40 Eri B
S. N. Fabrika, G. G. Valyavin, T. E. Burlakova +2
This paper describes results of magnetic field measurements of white dwarfs carried out on the 6-m telescope for the last years. A magnetic field of about Be ~ 28 kG has been disco…
Optical monitoring of CI Cam after the X-ray burst on April 1, 1998
E. A. Barsukova, S. N. Fabrika, S. A. Pustilnik +1
Results of optical spectral monitoring of CI Cam just after its a unusual bright and rapidly evolving X-ray burst are reported. This star is a symbiotic-type X-ray binary. The X-ra…